21167005840

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{8535083}}^1$

素因数の和:8535127

約数の個数: 40

約数和(自身を含む): 50800819968

約数和(自身を除く): 29633814128

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 8535083, 17070166, 34140332, 42675415, 68280664, 85350830, 136561328, 170701660, 264587573, 341403320, 529175146, 682806640, 1058350292, 1322937865, 2116700584, 2645875730, 4233401168, 5291751460, 10583502920, 21167005840]

約数ペア:

[(1, 21167005840), (2, 10583502920), (4, 5291751460), (5, 4233401168), (8, 2645875730), (10, 2116700584), (16, 1322937865), (20, 1058350292), (31, 682806640), (40, 529175146), (62, 341403320), (80, 264587573), (124, 170701660), (155, 136561328), (248, 85350830), (310, 68280664), (496, 42675415), (620, 34140332), (1240, 17070166), (2480, 8535083)]